264346157 has 2 divisors, whose sum is σ = 264346158. Its totient is φ = 264346156.

The previous prime is 264346129. The next prime is 264346193. The reversal of 264346157 is 751643462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184172041 + 80174116 = 13571^2 + 8954^2 .

It is a cyclic number.

It is not a de Polignac number, because 264346157 - 2¹⁴ = 264329773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264346157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264346127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132173078 + 132173079.

It is an arithmetic number, because the mean of its divisors is an integer number (132173079).

Almost surely, 2^264346157 is an apocalyptic number.

It is an amenable number.

264346157 is a deficient number, since it is larger than the sum of its proper divisors (1).

264346157 is an equidigital number, since it uses as much as digits as its factorization.

264346157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 264346157 is about 16258.7255650620. The cubic root of 264346157 is about 641.7871249725.

The spelling of 264346157 in words is "two hundred sixty-four million, three hundred forty-six thousand, one hundred fifty-seven".